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Fuel Pump Removal and Check Valves '91 9000
Posted by Gavin (more from Gavin) on Fri, 21 Nov 2003 14:43:01
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Hey y'all, I got some great info on this BB about removing the fuel pump from my '91 9000CD... went ahead and did it myself,... figured out some stuff I didn't see posted!
Hope this helps: when removing the large O-Ring, I took a large flathead screw driver; I placed it against one of the ribs and hammered on it with a rubber mallet... eventually it came loose and began to spin and unscrew. I guess I wouldn't have done this if I cared a great deal about the condition of the ring but only 1 rib broke in the process.
Before all that, I had broken all of my check valves on two 9000s!! So, at the junkyard, I found a couple older 9000s with different fuel pumps and stole the valves off the top (one valve each older pump). Then headed to Saab dealer and got some new ones.
Here's what I found out: The ones at the dealer only come WITH the spring and ball for the PUMP (white) side while the one on the top of an older 9000 pump is good for your RETURN (black) side (I removed the little rubber thingy at the end). If you need a RETURN valve brand new, you'd need to drill out the ball and spring!
The safest way to incorporate the older valve is hose-to-hose with a plastic hose connector. Look for one about the size or a bit smaller than the hose for a real tight fit, heat up the hose (preferrably away from the gas but I used a soldering gun right next to the fuel pump, no sweat) and twist it on! As it cools, it'll shrink around the connector.
Hope this helps...it can be confusing.
posted by 24.229.18...
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